Home / 26,153.21-36,096.67-15,540.79

Finding the Fourth Proportional to 26,153.21, 36,096.67 and 15,540.79

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Solution

The fourth proportional to 26,153.21, 36,096.67 and 15,540.79 is: 21,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,153.21 : 36,096.67 = 15,540.79 : x
  2. Step 2: Convert to fraction form
    26,153.21/36,096.67 = 15,540.79/x
  3. Step 3: Cross multiply
    26,153.21x = 36,096.67 × 15,540.79
  4. Step 4: Simplify right side
    26,153.21x = 560,970,768.17
  5. Step 5: Solve for x
    x = 560,970,768.17/26,153.21
  6. Step 6: Final answer
    x = 21,449.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.